Can you complete this English expression? It means “a problem which is difficult to solve”
A hard nut to …….
a) eat
b) swallow
c) throw
d) crack
The answer is below!↓

Answer: d) crack
A hard nut to crack
Can you complete this English expression? It means “a problem which is difficult to solve”
A hard nut to …….
a) eat
b) swallow
c) throw
d) crack
The answer is below!↓
Answer: d) crack
A hard nut to crack
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